Lua APA (7ú heag.)
Harris, D. (1996). A society of signs? Routledge.
Lua i Stíl Chicago (17ú heag.)
Harris, David. A Society of Signs? London ; New York: Routledge, 1996.
Lua MLA (9ú heag.)
Harris, David. A Society of Signs? Routledge, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.